Useful Sites

This is an archived version of the Beall's list - a list of potential predatory publishers created by a librarian Jeffrey Beall.

Open Culture brings together high-quality cultural & educational media for the worldwide lifelong learning community. Web 2.0 has given us great amounts of intelligent audio and video. It's all free. It's all enriching. But it's also scattered across the web, and not easy to find. Our whole mission is to centralize this content, curate it, and give you access to this high quality content whenever and wherever you want it.

Codecademy is an online freemium interactive platform that offers free coding classes in 12 different programming languages  including Python, Java JavaScript (iQuery, Angular JS, React.js),   Ruby, SQL, and Saaa, as well as markup language HTML  and  CSS. The site also offers a paid "pro" option that gives users access to a personalized learning plan, quizzes, realistic projects, and live help from advisors.

WorldWideScience.org is a global science search engine (Academic database and search engines) designed to accelerate scientific discovery and progress by accelerating the sharing of scientific knowledge.

Coursera provides universal access to the world’s best education, partnering with top universities and organizations to offer courses online.

wikiHow is a worldwide collaboration of thousands of people focused on one goal: teaching anyone in the world how to do anything.

wikihow is a hybrid organization , a for -profit company run for a social mission. wiki how is an open source and content project. The modified MediaWiki software is freely released and the content is released under a Creative Commons( By-NC-SA) license.

Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps.

Banglapedia - the National Encyclopedia of Bangladesh, an intellectual output of over 14

The Oxford English Dictionary (OED) is a descriptive dictionary of the English language, published by the Oxford University Press.It traces the historical development of the English language, providing a comprehensive resource to scholars and academic researchers, as well as describing usage in its many variations throughout the world. The second edition came to 21,728 pages in 20 volumes, published in 1989.